code: def test_parallel_download():
      processes = []
      name = "mobilenetv2_0.25"
      for _ in range(10):
          p = multiprocessing.Process(
              target=parallel_download, args=(name,)
          )
          processes.append(p)
      for p in processes:
          p.start()
      for p in processes:
          p.join()
  
file_path: mxnet/tests/python/unittest/test_gluon_model_zoo.py
imports: from __future__ import print_function
  import mxnet
  from mxnet.gluon.model_zoo.vision import get_model
  import sys
  import multiprocessing
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_parallel_download() without return types